[Linux-cluster] GFS on Ubuntu hardy: BUG soft lockup - CPU stuck

Virginian virginian at blueyonder.co.uk
Thu Apr 9 12:38:32 UTC 2009


This could be a kernel bug. A quick google search revealed this:

http://www.linuxquestions.org/questions/linux-server-73/bug-soft-lockup-cpu3-stuck-for-10s-648946/

Probably worth googling some more but I don't think this is a RHCS issue to 
be honest.


----- Original Message ----- 
From: "Diego Morales" <dgmorales at gmail.com>
To: "linux clustering" <linux-cluster at redhat.com>
Sent: Wednesday, April 08, 2009 8:23 PM
Subject: Re: [Linux-cluster] GFS on Ubuntu hardy: BUG soft lockup - CPU 
stuck


> Well, it's a Supermicro server hardware (seems a little like "generic
> server hardware with glorified name", never had seen one before), Xeon
> 3Ghz, two CPUs + HT, 8GB RAM.
>
> Well, maybe. We recently had some overheating problems and power
> outages on that room too.
>
> But the lockup only happened when doing gfs mounting/umounting. And
> those machines were up using the gfs file system for several days with
> no problem.
>
>
> On Wed, Apr 8, 2009 at 2:47 PM, Virginian <virginian at blueyonder.co.uk> 
> wrote:
>> I'm not entirely sure that the CPU lockup message is actually caused by
>> RHCS.What hardware are you running on, how many CPUs, how much RAM? I've 
>> see
>> this soft lockup error before on IBM 3850 machines running RHEL 5 (but 
>> not
>> RHCS) I think....
>>
>
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> 





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